Vibration actuator



FIG. 1 is a front view of a vibration actuator;

FIG. 2 is a rear view of the vibration actuator;

FIG. 3 is a top perspective view of the vibration actuator;

FIG. 4 is a bottom view of the vibration actuator;

FIG. 5 is a right side view of the vibration actuator;

FIG. 6 is a left side view of the vibration actuator;

FIG. 7 is a bottom perspective view of the vibration actuator;

FIG. 8 is a cross-section view of the vibration actuator taken along line 8-8 of FIG. 3; and,

FIG. 9 is a top plan view of the vibration actuator. 

CLAIM The ornamental design for a vibration actuator, as shown and described. 